WO2009083086A2 - Dispositif de contact pour l'ostéosynthèse - Google Patents

Dispositif de contact pour l'ostéosynthèse Download PDF

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Publication number
WO2009083086A2
WO2009083086A2 PCT/EP2008/010238 EP2008010238W WO2009083086A2 WO 2009083086 A2 WO2009083086 A2 WO 2009083086A2 EP 2008010238 W EP2008010238 W EP 2008010238W WO 2009083086 A2 WO2009083086 A2 WO 2009083086A2
Authority
WO
WIPO (PCT)
Prior art keywords
contact device
bone screw
cavity
contact
bone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2008/010238
Other languages
German (de)
English (en)
Other versions
WO2009083086A3 (fr
Inventor
Werner Kraus
Heribert Stephan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neue Magnetodyn GmbH
Original Assignee
Neue Magnetodyn GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Neue Magnetodyn GmbH filed Critical Neue Magnetodyn GmbH
Priority to CN2008801275786A priority Critical patent/CN101965158A/zh
Priority to JP2010540041A priority patent/JP2011507643A/ja
Priority to US12/810,690 priority patent/US20100298886A1/en
Publication of WO2009083086A2 publication Critical patent/WO2009083086A2/fr
Publication of WO2009083086A3 publication Critical patent/WO2009083086A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/07—Endoradiosondes
    • A61B5/076—Permanent implantation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14539—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring pH
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
    • A61B5/4504—Bones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0003—Not used, see subgroups
    • A61C8/0004—Consolidating natural teeth
    • A61C8/0006—Periodontal tissue or bone regeneration
    • A61C8/0007—Stimulation of growth around implant by electrical means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/326—Applying electric currents by contact electrodes alternating or intermittent currents for promoting growth of cells, e.g. bone cells

Definitions

  • the invention relates to a contact device for electrically contacting a cavity, at least partially electrically conductive bone screw, wherein arranged in an implanted final state of the assembly of bone screw and contact device, a first part of the contact device outside the cavity and a second part of the contact device within the cavity of the bone screw is, the first part and the second part of the contact device at least partially form counter-counter electrodes and the second part of the contact device electrically contacts the bone screw, while the first part of the contact device is insulated against the bone screw, so that an outer surface of the bone screw at least partially acting as a counter electrode to the electrode formed by the first part of the contact device, wherein the contact device has a cavity and in the cavity at least one voltage source is arranged, the poles of the first part and the second part of the contact device respectively directly or indirectly contact electrically.
  • osteosynthesis serves to load-stable fixation of the fragments of a broken or diseased bone in its uninjured, natural shape by implanted screws, support plates, wires, bone marrow nails and the like, which are generally made of stainless steel or titanium alloys.
  • implanted screws, support plates, wires, bone marrow nails and the like which are generally made of stainless steel or titanium alloys.
  • The- These osteosynthetic agents make it possible to rapidly mobilize the patient while at the same time immobilizing the damaged bone, which is an indispensable prerequisite for his healing.
  • MRSA multi-resistant Staphylococcus aureus
  • Osteosynthesis means low frequency electrical alternating potentials induced by an affected body part is exposed to an alternating magnetic field.
  • the use of osteosynthesis implants as sources has long been demonstrated in numerous clinical applications of the technique used in chronically resistant, mostly infected bone defects, cysts and tumor metastases as well as in clinic-related experimental studies Extremely low-frequency sinusoidal electrical blanket- potentials in the supporting metal adjacent bone region an optimal healing effect is achieved.
  • the transmission technique works according to the transformer principle:
  • the injured or diseased body region is characterized by an extremely low-frequency sinusoidal magnetic field with a frequency of approx. 1 to 100 Hz - preferably from 4 to 20 Hz - and a magnetic flux density of 0.5 5 mT (5 to 50 Gauss), which is generated by a functional current generator in one or more - primary - outer current coils, into which the body part provided with the osteosynthesis agents is introduced.
  • These extremely low-frequency electromagnetic fields penetrate the tissue largely lossless, including any clothing and a plaster cast, as well as the non-magnetic (austenitic) supporting metals of osteosynthesis.
  • the so-called transformer implanted.
  • the induced in the transmitter electro-potentials are thus brought into action in the area of the bone lesion and generally in the tissue adjacent to the osteosynthetic agents.
  • the invention has the object of developing a generic contact device to the effect that an increased volume is available for the accommodation of electrical components.
  • the handling and flexible usability of the contact device during surgery, the biological effect, the therapeutic efficacy and the economy are to be improved.
  • the invention is based on the generic contact device in that the first part of the contact device is arranged proximally in an implanted final state of the bone screw and contact device arrangement.
  • an enlarged volume is available within the contact device.
  • the contact device can be used in a simple manner during the operation in the already implanted bone screw, without the need for special preparatory measures would be necessary because in particular the existing in Figure 4 of US 6,778,861 Bl tip omitted at the distal end of the arrangement and thus no Pre-drilling or any measures for sufficient electrical contact with this now no longer existing tip of the contact device must be taken.
  • any conventional cannulated screw can be equipped with the contactor.
  • the surgeon only has to decide after inserting the bone screw whether he wants to leave it in such a way or equip it with the contact device. This is particularly relevant when multiple bone screws are used to fix a bone plate, which then becomes part of the electrified components.
  • One or more bone screws can then be equipped with the contact device according to the invention, while the other bone screws can remain without contact device. In any case, it is only necessary to decide which screws should be fitted with the bone plate and the bone screw after a completely implanted arrangement
  • the magnetically induced osteogenesis is concentrated on the stabilization region of the bone screw, that is, the screw shaft, since the osteogenesis depends on the polarity of the respective electrodes, namely, is favored at the cathode and obstructed at the anode. Consequently, bone formation in the vicinity of the proximal part of the contact device is impeded, avoided, and / or osteolysis is effected, while in the region of the fracture bone formation is desirably enhanced. In particular, this simplifies the explantation of the bone screw, because the contact device can be easily removed for the purpose of explantation, without this being hindered by bone tissue.
  • the contact device can be inserted into the bone screw.
  • the contact device according to the invention can be practically inserted into any bone screw, since on the inner wall of the bone screw no special means for receiving the contact device must be provided.
  • the second part of the contact device contacts the bone screw via at least one spring contact.
  • One or more spring contacts are useful when inserting the contact device with this in conjunction and then rely from a certain insertion position and especially in the final state of the arrangement of bone screw and contact device on the inner wall of the hollow bone screw.
  • the contact device can of Front be equipped with one or more such spring contacts.
  • the one or more spring contacts act as an adapter between the contact device and the bone screw, so that identical contact devices can cooperate with the mediation of different spring contacts with different bone screws.
  • the contact device can be screwed into the bone screw.
  • the contact device must have an external thread, while an internal thread is provided in the cavity of the bone screw.
  • the at least one voltage source comprises an accumulator.
  • a rechargeable battery for example a lithium-ion rechargeable battery
  • a sufficient volume is now available, in particular within the first part of the contact device arranged outside the bone screw.
  • the at least one voltage source comprises a coil.
  • Accumulator and / or the capacitor is connected in parallel. Even if an accumulator or a capacitor as energy sources without a coil manage and um- In contrast to the electrification of the bone screw itself, a coil for receiving the energy of an external magnetic field is sufficient, yet a combination of coil and accumulator and / or capacitor may be particularly useful; As a result, the coil can be used for charging the energy store (s) by magnetic induction, so that the energy required for the electrification of the device is supplied by an external magnetic field but is also available in the absence of an external magnetic field.
  • a function generator is arranged in the cavity of the contact device. Such preferably produces sinusoidal or the like
  • a DC voltage is initially available, which is basically suitable for electrifying a bone screw in the appropriate manner.
  • the provision of these potentials can be achieved by the parallel connection of a diode and optionally a smoothing capacitor to the voltage source formed by the function generator.
  • a measuring circuit and a circuit for high-frequency identification for detecting and transmitting signals is arranged, wherein the signals correspond in particular physiologically relevant parameters.
  • the measuring device can be used to measure an impedance or a pH value dependent on the tissue state.
  • the applied voltage can be continuously monitored.
  • the corresponding signals can then be transmitted via the circuit for high-frequency identification (RFID) to an external evaluation device.
  • RFID high-frequency identification
  • Bone screw and contact device enters a snap or snap connection with the bone screw.
  • the surgeon has thus even under difficult conditions, another clue to the correct arrangement of the contact device within the bone screw.
  • the snap-in locking connection can furthermore prevent an unintentional subsequent misplacement of the contact device with respect to the bone screw.
  • the invention further relates to an osteosynthesis device with a bone screw according to the invention.
  • FIG. 1 shows a guided in the axial direction section through a first embodiment of an arrangement of bone screw and contact device
  • Figure 2 shows a guided in the axial direction section through a second embodiment of an arrangement of bone screw and contact device.
  • Figure 1 shows a guided in the axial direction section through a first embodiment of an arrangement of bone screw and contact device.
  • a bone screw 14 and a contact device 10 inserted into a cavity 12 of the bone screw 14 are shown.
  • the bone screw 14 has a screw shaft 34 and a threaded portion provided on the screw shaft 34
  • a screw head 38 connects, which is preferably equipped with a device into which a tool for the insertion - li ⁇
  • screws of the bone screw 14 can engage.
  • the cavity 12 of the bone screw 14 in the region of the screw head 38 is limited by a hexagon socket or similar form and / or force-locking devices.
  • the contact device 10 comprises a proximal cap-shaped first part 16 and a distally arranged elongated second part 18, the distal second part 18 protruding into the cavity 12 of the bone screw 14.
  • e- lektrisch conductive spring contacts 28 are provided for the mechanical and electrical contacting of the contact device 10 with the bone screw 14 .
  • a plurality of spring contacts at different axial coordinates are also be provided.
  • the cap-shaped first part 16 of the contact device 10 includes a cavity 20, in which various electrical components are arranged, in the present embodiment, an accumulator 24, a radio frequency identification (RFID) circuit 32, a diode 40 and an ohmic resistor 42 Provision of electrical energy is used by the accumulator 24, whose cathode is electrically contacted with the elongated second part 18 of the contact device 10 and whose anode contacts an electrically conductive outer shell 44 of the cap-shaped first part 16 of the contact device 10.
  • RFID radio frequency identification
  • the cap-shaped first part 16 of the contact device 10 has an electrically insulating region 46 which forms the distal boundary of the cap-shaped first part 16 of the contact device 10.
  • further insulating means may be provided between the cap-shaped first part 16 of the contact device 10 and the bone screw 14. These insulating devices may be fixed to the bone screw 14, fixed to the cap-shaped first part 16 of the contact device 10 or as a separate component.
  • the final state of the implanted arrangement of contact device 10 and bone screw 14 can be firmly defined, for example by a stop which is formed, for example, by a contact between the insulating part 46 of the cap-shaped first part 16 of the contact device, or which can also be interrupted by a snap-action. or latching connection can be realized. Also, the final state of the implanted arrangement of contact device 10 and bone screw 14 may be variable, so that the surgeon may decide during the operation to insert the contact device 10 further or less into the bone screw.
  • the electrical components within the cavity 20 of the cap-shaped first part 16 are the electrical components within the cavity 20 of the cap-shaped first part 16.
  • a coil 26 which preferably has a soft-magnetic core, is arranged within this hollow space 22. This coil serves as an energy supplier for charging the accumulator
  • the coil 26 is electrically connected in parallel to the accumulator 24, that is, one pole of the coil is connected to the anode of the accumulator 24 in connection, while the other pole of the coil is connected to the cathode of the accumulator 24, here with the interposition of electrically conductive elongate second part 18 of the contact device 10. Also, a direct contacting of the electrical components is possible.
  • the further electrical components arranged in the first part 16 of the contact device 10 serve various purposes.
  • the arrangement of the RFID 32 in the cap-shaped first part 16 of the contact device 10 is to be understood schematically. It is essential that this RFID can pass 32 signals to an external evaluation device, which are based on output signals from internal measurement circuits.
  • the diode 40 serves to rectify the voltage, namely, when it is supplied directly through the coil 26.
  • the ohmic resistor 42 is representative of various other electrical components over which the voltage waveforms can be modified.
  • Figure 2 shows a guided in the axial direction section through a second embodiment of an arrangement of bone screw and contact device.
  • a functional Onsgenerator 30 is used, which is powered by its input terminals of the accumulator 24 with energy, while its output terminals, the two parts 16, 18 of the contact device 10 contact.
  • the diode can in turn ensure that the proximal cap-shaped first part 16 has predominantly positive potential, while the bone screw 14 receives a predominantly cathodic component.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Neurology (AREA)
  • Dentistry (AREA)
  • Cardiology (AREA)
  • Developmental Biology & Embryology (AREA)
  • Epidemiology (AREA)
  • Rheumatology (AREA)
  • Optics & Photonics (AREA)
  • Cell Biology (AREA)
  • Surgical Instruments (AREA)
  • Electrotherapy Devices (AREA)

Abstract

L'invention concerne un dispositif de contact (10) pour une vis à os (14), selon lequel, dans un état final implanté de l'ensemble vis à os (14) et dispositif de contact (10), une première partie (16) du dispositif de contact (10) est disposée à l'extérieur d'un espace creux (12), et une seconde partie (18), à l'intérieur de l'espace creux (12) de la vis à os (14), et les parties (16, 18) forment des électrodes opposées, et la seconde partie (18) est en contact électrique avec la vis à os (14), tandis que la première partie (16) est isolée de la vis à os (14), et le dispositif de contact (10) présente une cavité (20, 22) ayant une source de tension (24, 26) dont les pôles sont électriquement en contact avec la première partie (16) et la seconde partie (18), respectivement, directement ou indirectement. L'invention a pour but d'améliorer le dispositif de contact précité, en particulier en ce qui concerne le volume dont on dispose pour les composants électriques. A cet effet, l'invention est caractérisée en ce que la première partie (16) du dispositif de contact (10) est disposée proximale, dans un état final implanté de l'ensemble vis à os (14) et dispositif de contact (10).
PCT/EP2008/010238 2007-12-28 2008-12-03 Dispositif de contact pour l'ostéosynthèse Ceased WO2009083086A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008801275786A CN101965158A (zh) 2007-12-28 2008-12-03 用于接骨的接触装置
JP2010540041A JP2011507643A (ja) 2007-12-28 2008-12-03 骨接合用接触デバイス
US12/810,690 US20100298886A1 (en) 2007-12-28 2008-12-03 Contact Device for Osteosynthesis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007063027A DE102007063027A1 (de) 2007-12-28 2007-12-28 Kontaktvorrichtung für die Osteosynthese
DE102007063027.3 2007-12-28

Publications (2)

Publication Number Publication Date
WO2009083086A2 true WO2009083086A2 (fr) 2009-07-09
WO2009083086A3 WO2009083086A3 (fr) 2009-09-11

Family

ID=40473919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/010238 Ceased WO2009083086A2 (fr) 2007-12-28 2008-12-03 Dispositif de contact pour l'ostéosynthèse

Country Status (6)

Country Link
US (1) US20100298886A1 (fr)
EP (1) EP2074958A3 (fr)
JP (1) JP2011507643A (fr)
CN (1) CN101965158A (fr)
DE (1) DE102007063027A1 (fr)
WO (1) WO2009083086A2 (fr)

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DE102014216294A1 (de) * 2014-08-15 2016-02-18 Urs Brodbeck Reinigungssystem für ein in den Kieferknochen eines Patienten eingebrachtes Dental-Implantat-Teil
US9629699B2 (en) 2012-11-14 2017-04-25 Zyfoma Gmbh Treatment element for use with a dental-implant part, treatment system and method for cleaning a dental-implant part
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DE102008021575A1 (de) * 2008-04-30 2009-11-05 Neue Magnetodyn Gmbh Vorrichtung zum Stimulieren eines Heilungsprozesses
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DE102009049175A1 (de) * 2009-10-13 2011-04-21 Bjarne Geiges Vorrichtung zum Verabreichen von Arzneimitteln und zum Beeinflussen von Arzneimittelwirkungen
CA2815805A1 (fr) * 2010-10-25 2012-07-12 Bogdan Constantin Vladila Traitement cellulaire electromagnetique
US20150150653A1 (en) * 2010-10-25 2015-06-04 Bogdan Constantin Vladila System and method for increasing organic cell regeneration in a cellular medium
JP5489317B2 (ja) 2011-03-27 2014-05-14 鹿島建設株式会社 水熱反応利用の汚泥メタン発酵処理方法及びシステム
US20130165733A1 (en) * 2011-12-27 2013-06-27 Richard A. Rogachefsky Orthopedic fixation device with magnetic field generator
RO128805B1 (ro) 2012-03-21 2014-03-28 Bogdan-Constantin Vlădilă Echipament pentru aplicarea locală a unui câmp electromagnetic de extrem de joasă frecvenţă, în cavitatea bucală
CN104399181A (zh) * 2014-12-01 2015-03-11 苏州景昱医疗器械有限公司 脑深部电刺激装置
PL411741A1 (pl) * 2015-03-27 2016-10-10 Bartłomiej Iwańczyk Urządzenie do usuwania biofilmu z implantów dentystycznych
KR101739207B1 (ko) 2015-12-30 2017-05-24 재단법인대구경북과학기술원 임플란트 충전 시스템
US10335282B2 (en) 2016-02-09 2019-07-02 Richard A. Rogachefsky Magnetic joint replacement
RO131383A0 (ro) * 2016-04-11 2016-09-30 Bogdan Constantin Vlădilă Echipament electromagnetic pentru creşterea elasticităţii ţesuturilor, folosit în cosmetică
US10751527B2 (en) 2016-10-03 2020-08-25 II Erich W. Wolf Device and method for percutaneous placement and anchoring of stimulating electrodes in spine
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US11305112B2 (en) 2018-05-16 2022-04-19 DePuy Synthes Products, Inc. Electrical stimulation implants
US11351381B2 (en) 2018-05-18 2022-06-07 Washington University Systems and methods for stimulating sympathetic nervous system
US11589905B2 (en) 2018-07-19 2023-02-28 Warsaw Orthopedic, Inc. Set screw sensor placement
US12514617B2 (en) 2018-07-19 2026-01-06 Warsaw Orthopedic, Inc. Modular set screw design for housing microelectronics
US12508097B2 (en) 2018-07-19 2025-12-30 Warsaw Orthopedic, Inc. Set screw with strain gauges
US12396679B2 (en) 2018-07-19 2025-08-26 Warsaw Orthopedic, Inc. System and method for post-operative assessment of spinal motion and implant-based strain correlation
US11298162B2 (en) 2018-07-19 2022-04-12 Warsaw Orthopedic, Inc. Load sensing assembly for a spinal implant
US11707299B2 (en) 2018-07-19 2023-07-25 Warsaw Orthopedic, Inc. Antenna placement for a digital set screw
US11529208B2 (en) 2018-07-19 2022-12-20 Warsaw Orthopedic, Inc. Break-off set screw
US11596803B2 (en) 2018-08-02 2023-03-07 Richard A. Rogachefsky Orthopedic treatment device with electromagnetic field generator
WO2020165905A1 (fr) * 2019-02-13 2020-08-20 Magdent Ltd. Générateur de champ électromagnétique implantable pour thérapie orthopédique
US11915089B2 (en) 2021-07-09 2024-02-27 Warsaw Orthopedic, Inc. Faraday cage for digital set screw probe reader
US12599412B2 (en) 2022-04-12 2026-04-14 Warsaw Orthopedic, Inc. Intra-operative options for smart implants
US12465408B2 (en) 2022-04-12 2025-11-11 Warsaw Orthopedic, Inc. Spinal rod connecting components with active sensing capabilities

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US10864061B2 (en) 2014-08-15 2020-12-15 Zyfoma Gmbh System for the in situ cleaning of dental implants
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CN101965158A (zh) 2011-02-02
JP2011507643A (ja) 2011-03-10
DE102007063027A1 (de) 2009-07-09
EP2074958A2 (fr) 2009-07-01
US20100298886A1 (en) 2010-11-25
EP2074958A3 (fr) 2009-07-29
WO2009083086A3 (fr) 2009-09-11

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